package com.rzn.reading.config;


import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

@Configuration
public class WebMvcConfig {

    @Value("${cors.allowedOrigin:*}")
    private String allowedOrigin;

    @Bean
    CorsFilter corsFilter() {
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        // 1    设置访问源地址
        corsConfiguration.addAllowedOrigin(allowedOrigin);
        // 2 设置访问源请求头
        corsConfiguration.addAllowedHeader("*");
        // 3 设置访问源请求方法
        corsConfiguration.addAllowedMethod("*");
        corsConfiguration.setAllowCredentials(true);
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        // 4 对接口配置跨域设置
        source.registerCorsConfiguration("/**", corsConfiguration);
        return new CorsFilter(source);
    }

    @Bean
    public FilterRegistrationBean<CorsFilter> userInsertingMdcFilterRegistrationBean(CorsFilter corsFilter) {
        FilterRegistrationBean<CorsFilter> registrationBean = new FilterRegistrationBean<>();
        registrationBean.setFilter(corsFilter);
        registrationBean.setOrder(-101);
        return registrationBean;
    }
}
